Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 15
n of the object. The shad-ing may, therefore, be omitted, leaving the simplest kind ofdrawing—the outline drawing as shown in Fig. 2. Such draw-ings will he referred to in this course as perspective sketches. Perspective sketches are valuable as a means of conveyinginformation about the forms of… … Fig. 2. Perspective of Tey-Square In this course all objects to be drawn in perspective will berepresented as resting on a horizontal plane directly in front ofthe observer and below the level of the eye. The try-square isshown in Fig. 2 as an observer would see it when standingdirectly in front of…
Mechanical drawing
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